Word Character Counter in Java

Explanation

In this program we have use the length() function  to count the characters in a string. Here, when, the length() function with the given string enter by the user, it will return the count as the output for both word and character.

Code

Word Character Counter in Java program: In this program, we will find out the word and the character count in the lang-java, where the user inputs the text or a paragraph.

import java.awt.event.*;
import javax.swing.*;

public class CharCount extends JFrame implements ActionListener
{
	JTextArea t;
	JButton button1,button2;
	CharCount()
	{
		super("Word Character Counter in Java- Coding Ninjas");
		t=new JTextArea();
		t.setBounds(60,60,350,250);
		
		button1=new JButton("Word");
		button1.setBounds(100,350,140,40);
		
		button2=new JButton("Character");
		button2.setBounds(230,350,140,40);
		
		button1.addActionListener(this);
		button2.addActionListener(this);
		add(button1);add(button2);add(t);
		setSize(350,350);
		setLayout(null);
		setVisible(true);
	}
	
	public void actionPerformed(ActionEvent a)
	{
		String text=t.getText();
		if(a.getSource()==button1)
		{
			String words[]=text.split("\\s");
			JOptionPane.showMessageDialog(this,"Total words: "+words.length);
		}
		if(a.getSource()==button2)
		{
			JOptionPane.showMessageDialog(this,"Total Characters including space: "+text.length());
		}
	}
	public static void main(String[] args)
	{
		new CharCount();
	}
}

You can also try this code with Online Java Compiler

Run Code

Output

User has to write some text  to know the word and character count.

Here we input the text “Hello!!! Welcome to Coding Ninjas” 

When a user clicks on the ‘Word’ button using JButton the message pop showing the word count of the text written in the given box.

And, when the user clicks on the ’Character’ Button, a message pop showing the character count including spaces that the user used.

Frequently Asked Questions

In Java, how do you count characters in a string array?

Simply iterate over strings and use length() to determine the number of characters in the word.

Why are Swings used in Java?

Java Swing is a component of the Java Foundation Classes. It is suitable for developing lightweight desktop applications because it is used to create window-based applications.

What is a combobox in Java?

JComboBox is a component of the Java Swing package. JComboBox derives from the JComponent class. JComboBox displays a popup menu with a list of options from which the user can choose.

What is a JButton in Java?

It is used to create a labeled button with platform independence. When the button is pressed, the application performs some action.

Is Swing considered a framework?

Swing is a component-based framework, with all of its components ultimately deriving from the JComponent class.

Conclusion

This blog covered the Word Character Counter in Java. If you would like to learn more, check out these articles on the following to have a better understanding of Java:

• Jsplitpane in java
• Difference Between AWT And Swing In Java
• J button in Java
• Why is Java Platform Independent 
• Super Keyword In Java

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